/*
 * Copyright (C) 2014 Tolstykh Vladislav
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package lib.io.xml;

import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import lib.BibleLib;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

/**
 * Читать xml.
 * @author Толстых Владислав
 */
public class Reader {
    private Document doc = null;       
    /**
     * Грузим данные из документа xml.
     * @param bookId номер книги Библии
     * @param nodeName имя ветки
     * @return NodeList все разделы документа xml с указанным именем
     */
    public NodeList push(int bookId, String nodeName){
        try {
            String fileName = "res/"+BibleLib.LATIN[bookId]+".xml";
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();
            doc = db.parse(getClass().getResourceAsStream(fileName));
            doc.getDocumentElement().normalize();            
        } catch (SAXException | IOException | ParserConfigurationException ex) {
        }
        return doc.getElementsByTagName(nodeName);
    }    
}
